summaryrefslogtreecommitdiffstats
path: root/drivers/tty/serial/serial_port.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-07-01 17:13:54 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-07-01 17:13:54 +0000
commit2957e9a7ea070524508a846205689431cb5c101f (patch)
tree42f079ff82e701ebcb76829974b4caca3e5b6798 /drivers/tty/serial/serial_port.c
parentAdding upstream version 6.9.2. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.9.7.upstream/6.9.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/tty/serial/serial_port.c')
-rw-r--r--drivers/tty/serial/serial_port.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/tty/serial/serial_port.c b/drivers/tty/serial/serial_port.c
index 7e3a1c7b0..66fd117d8 100644
--- a/drivers/tty/serial/serial_port.c
+++ b/drivers/tty/serial/serial_port.c
@@ -63,6 +63,13 @@ static int serial_port_runtime_suspend(struct device *dev)
if (port->flags & UPF_DEAD)
return 0;
+ /*
+ * Nothing to do on pm_runtime_force_suspend(), see
+ * DEFINE_RUNTIME_DEV_PM_OPS.
+ */
+ if (!pm_runtime_enabled(dev))
+ return 0;
+
uart_port_lock_irqsave(port, &flags);
if (!port_dev->tx_enabled) {
uart_port_unlock_irqrestore(port, flags);